20660542

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1847}}^1$

素因数の和:1920

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 17659586

約数列:

[1, 2, 7, 14, 17, 34, 47, 94, 119, 238, 329, 658, 799, 1598, 1847, 3694, 5593, 11186, 12929, 25858, 31399, 62798, 86809, 173618, 219793, 439586, 607663, 1215326, 1475753, 2951506, 10330271, 20660542]

約数ペア:

[(1, 20660542), (2, 10330271), (7, 2951506), (14, 1475753), (17, 1215326), (34, 607663), (47, 439586), (94, 219793), (119, 173618), (238, 86809), (329, 62798), (658, 31399), (799, 25858), (1598, 12929), (1847, 11186), (3694, 5593)]